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NS 7600
Type and origin Power type Steam Builder Borsig Build date 1881 - 1882 Total produced 4
Specifications Configuration: ​  • Whyte 0-6-0  • UIC C Gauge 1,435 mm (4 ft 8+1⁄2 in) Driver dia. 1,230 mm (4 ft 0 in) Length 7,858 mm (25 ft 9.4 in) Height 3,705 mm (12 ft 1.9 in) Loco weight 27.8 t (30.6 short tons; 27.4 long tons) Fuel type Coal Fuel capacity 1 t (1.1 short tons; 0.98 long tons) Water cap. 3.8 m (840 imp gal) Firebox: ​  • Grate area 0.94 m (10.1 sq ft) Boiler pressure 10.1 bar (146 psi) Heating surface: ​  • Firebox 4 m (43 sq ft)  • Tubes 52.5 m (565 sq ft) Cylinders 2 Cylinder size 300 mm × 500 mm (12 in × 20 in) Valve gear Allan
Performance figures Maximum speed 50 km/h (31 mph) Tractive effort 25.99 kN (5,840 lbf)
Career Operators NS, HSM, ZHSM Power class HSM/NS: L Numbers HZSM: 1-4 HSM: 296-299, later: 1001-1004 NS: 7601-7603 Nicknames Haarlem-Zandvoorters Withdrawn 1918 - 1927 Disposition All scrapped

The NS 7600 was a series of tank engines of the Dutch Railways (NS) and its predecessor Hollandsche IJzeren Spoorweg-Maatschappij (HSM) and Haarlem-Zandvoort Spoorweg Maatschappij (HZSM).

For operations of the railway line between Haarlem and Zandvoort, which opened in 1881, the HZSM ordered three locomotives from Borsig, with a fourth locomotive following shortly after that, the locomotives delivered in 1881 and 1882. In addition to the numbers 1–4, the locomotives carried the names Haarlem, Overveen, Zandvoort and Rudolph Sulzbach. After the operation of this railway was transferred to the HSM on June 1 1889, the locomotives remained the property of the HZSM. However, the locomotives were provided with the HSM numbers 296-299 and the names were removed.

In 1903, the locomotives were sold to the Ahaus-Enscheder Eisenbahn Gesellschaft, but remained in service with the HSM. Between 1904 and 1906 the HSM renumbered the locomotives in 1001–1004. No. 1004 was seriously damaged in an accident in 1917, after which the locomotive was scrapped. Nos. 1001-1003 were handed over to the HSM at the end of 1918. When the fleets of the HSM and the SS was merged in 1921, the three remaining locomotives of this series were given the NS numbers 7601–7603. No. 7602 was withdrawn in 1926, followed in 1927 by Nos. 7601 and 7603. No locomotives have survived into preservation.

Sources and references

1. Waldorp, H. (1986). Onze Nederlandse stoomlocomotieven in woord en beeld (7e, gew. dr ed.). Almaar: De Alk. ISBN 90-6013-947-X. OCLC 63833327.

• J. van der Meer: De Hollandsche IJzeren Spoorweg-Maatschappij. Uitg. Uquilair, 2009, ISBN 978-90-71513-68-8.
• J.J. Karskens: De Locomotieven van de Hollandsche IJzeren Spoorweg Maatschappij. Uitg. J.H. Gottmer, Haarlem - Antwerpen, 1947.
• Het Utrechts Archief.

• Borsig locomotives
• Steam locomotives of the Netherlands
• 0-6-0T locomotives
• Hollandsche IJzeren Spoorweg-Maatschappij
• Haarlem-Zandvoort Spoorweg Maatschappij
• Railway locomotives introduced in 1881